| Castleton to Koscian | 790.17 mi (1,271.66 km) |
| Castleton to Koscielisko | 990.88 mi (1,594.67 km) |
| Castleton to Koscierzyna | 819.51 mi (1,318.87 km) |
| Castleton to Kostrzyn | 808.33 mi (1,300.88 km) |
| Castleton to Kostrzyn nad Odra | 700.56 mi (1,127.44 km) |
| Castleton to Koszalin | 746.46 mi (1,201.31 km) |
| Castleton to Kowary | 784.50 mi (1,262.53 km) |
| Castleton to Kozienice | 1,001.40 mi (1,611.59 km) |
| Castleton to Kozuchow | 753.41 mi (1,212.49 km) |
| Castleton to Kozy | 944.10 mi (1,519.38 km) |
| Castleton to Krakow | 970.82 mi (1,562.38 km) |
| Castleton to Krapkowice | 879.70 mi (1,415.74 km) |
| Castleton to Krasnik | 1,042.67 mi (1,678.02 km) |
| Castleton to Krasnystaw | 1,080.77 mi (1,739.33 km) |
| Castleton to Krosno | 1,055.26 mi (1,698.28 km) |
